/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlinePartyInterface.h
Get the join info of the specified user and party type
shared pointer to the join info if the user is advertising for that party type
[IOnlinePartyJoinInfoConstPtr](API\Plugins\OnlineSubsystem\Interfaces\IOnlinePartyJoinInfoConstPtr) GetAdvertisedParty ( const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & LocalUserId, const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & UserId, const [FOnlinePartyTypeId](API\Plugins\OnlineSubsystem\FOnlinePartyTypeId) PartyTypeId ) const